taglinefilesource code
time_tolerance245include/linux/timex.hextern long time_tolerance;  /* frequency tolerance (ppm) */
time_tolerance62kernel/sched.clong time_tolerance = MAXFREQ;  /* frequency tolerance (ppm) */
time_tolerance675kernel/sched.ctime_maxerror += time_tolerance >> SHIFT_USEC;
time_tolerance316kernel/time.cif (time_freq > time_tolerance)
time_tolerance317kernel/time.ctime_freq = time_tolerance;
time_tolerance318kernel/time.celse if (time_freq < -time_tolerance)
time_tolerance319kernel/time.ctime_freq = -time_tolerance;
time_tolerance332kernel/time.ctxc.tolerance     = time_tolerance;